Milk
Buku Teks
Rindler, Wolfgang
Essential relativity : special, general, and cosmological
Springer-Verlag, 1977
Buku Teks SO
Look Japan
Look Japan, 2002
Majalah, Jurnal, Buletin
Wensinck, A.J.
Tree and bird as cosmological symbolis in Western Asia
Johannes Muller, 1921
Buku Teks SO
Anderson, J.A.D.
A new look at social medicine
Pitman Medical, 1965
Buku Teks